Interface standards and compatibility This cable uses an SFF-8643 (Mini SAS HD) to SFF-8639 (U. 2) interface, supports connecting NVMe SSDs, is compatible with SATA/SAS protocols, and is suitable for high-density storage environments such as servers and storage arrays. Through the high-bandwidth characteristics of the Mini SAS HD interface, it can be adapted to a variety of storage devices to meet the needs of fast data transmission.